heat, cold, and rain) throughout the year; exposure to dust, solvents, fumes, gases, toxic waste, odors, or other irritating particles; grasp and perform repetitive hand movements and fine coordination to prepare documents and data using a computer, keyboard and mouse/trackball, laptop, photographic equipment, and/or tablet; sit for prolonged periods of time; walk, stand, crouch, reach, twist, turn, kneel, bend, squat, stoop, climb, safely lift and maneuver equipment and materials weighing up to 50 pounds; converse by telephone, by email, in person, and before small and large groups, and be clearly understood; read and comprehend legal, technical and complex documents; interact with the public and all different levels of City staff in an effective and professional manner. Essential duties require the following mental and/or physical abilities and work environment: wear a uniform and safety equipment; work evening, holidays, and weekends in variable indoor and outdoor conditions; emotionally charged situations and disturbing sights; confined spaces; safely drive to various locations throughout the City and County during day and evening hours; tolerate exposure to outdoor elements in all weather conditions (e.g.